{"id":63806,"date":"2024-10-14T02:38:20","date_gmt":"2024-10-13T18:38:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63806\/"},"modified":"2024-10-14T02:38:20","modified_gmt":"2024-10-13T18:38:20","slug":"mongodb%e8%a1%93%e8%aa%9e-%e7%b4%a2%e5%bc%95%e4%ba%a4%e9%9b%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63806\/","title":{"rendered":"MongoDB\u8853\u8a9e &#8211; \u7d22\u5f15\u4ea4\u96c6"},"content":{"rendered":"<h1 id=\"mongodb%e8%a1%93%e8%aa%9e-%e7%b4%a2%e5%bc%95%e4%ba%a4%e9%9b%86-lWmVuDtXVP\">MongoDB\u8853\u8a9e &#8211; 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id=\"%e7%b4%a2%e5%bc%95%e4%ba%a4%e9%9b%86%e7%9a%84%e7%af%84%e4%be%8b-lWmVuDtXVP\">\u7d22\u5f15\u4ea4\u96c6\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728MongoDB\u4e2d\u4f7f\u7528\u7d22\u5f15\u4ea4\u96c6\uff1a<\/p>\n<pre><code>\n\/\/ \u5275\u5efa\u7d22\u5f15\ndb.users.createIndex({ age: 1 });\ndb.users.createIndex({ city: 1 });\n\n\/\/ \u57f7\u884c\u67e5\u8a62\ndb.users.find({ age: { $gt: 30 }, city: \"\u9999\u6e2f\" });\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u70ba\u201cage\u201d\u548c\u201ccity\u201d\u5b57\u6bb5\u5275\u5efa\u4e86\u7d22\u5f15\u3002\u7136\u5f8c\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500b\u67e5\u8a62\uff0c\u67e5\u627e\u5e74\u9f61\u5927\u65bc30\u4e14\u5c45\u4f4f\u5728\u201c\u9999\u6e2f\u201d\u7684\u7528\u6236\u3002MongoDB\u5c07\u5229\u7528\u9019\u5169\u500b\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 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